1023122532400 has 60 divisors (see below), whose sum is σ = 2459942491104. Its totient is φ = 408934240000.

The previous prime is 1023122532371. The next prime is 1023122532407. The reversal of 1023122532400 is 42352213201.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (1023122532407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 462616 + ... + 1503415.

Almost surely, 2^{1023122532400} is an apocalyptic number.

1023122532400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023122532400 is an abundant number, since it is smaller than the sum of its proper divisors (1436819958704).

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

1023122532400 is a wasteful number, since it uses less digits than its factorization.

1023122532400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967350 (or 1967339 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 1023122532400 its reverse (42352213201), we get a palindrome (1065474745601).

The spelling of 1023122532400 in words is "one trillion, twenty-three billion, one hundred twenty-two million, five hundred thirty-two thousand, four hundred".