1021230223524 has 192 divisors, whose sum is σ = 3109729477120. Its totient is φ = 283703938560.

The previous prime is 1021230223463. The next prime is 1021230223529. The reversal of 1021230223524 is 4253220321201.

1021230223524 is a `hidden beast` number, since 1 + 0 + 2 + 1 + 2 + 302 + 2 + 352 + 4 = 666.

It is a super-2 number, since 2×1021230223524² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1021230223529) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 44659854 + ... + 44682714.

Almost surely, 2^{1021230223524} is an apocalyptic number.

1021230223524 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1021230223524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1554864738560).

1021230223524 is an abundant number, since it is smaller than the sum of its proper divisors (2088499253596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1021230223524 is a wasteful number, since it uses less digits than its factorization.

1021230223524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24515 (or 24507 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 1021230223524 its reverse (4253220321201), we get a palindrome (5274450544725).

The spelling of 1021230223524 in words is "one trillion, twenty-one billion, two hundred thirty million, two hundred twenty-three thousand, five hundred twenty-four".