1230023121031 has 16 divisors (see below), whose sum is σ = 1262678770080. Its totient is φ = 1197813104640.

The previous prime is 1230023121011. The next prime is 1230023121053. The reversal of 1230023121031 is 1301213200321.

It is a cyclic number.

It is not a de Polignac number, because 1230023121031 - 2¹¹ = 1230023118983 is a prime.

It is a super-2 number, since 2×1230023121031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230023121011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2520415 + ... + 2968591.

It is an arithmetic number, because the mean of its divisors is an integer number (78917423130).

Almost surely, 2^{1230023121031} is an apocalyptic number.

1230023121031 is a deficient number, since it is larger than the sum of its proper divisors (32655649049).

1230023121031 is a wasteful number, since it uses less digits than its factorization.

1230023121031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448674.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1230023121031 its reverse (1301213200321), we get a palindrome (2531236321352).

The spelling of 1230023121031 in words is "one trillion, two hundred thirty billion, twenty-three million, one hundred twenty-one thousand, thirty-one".