123232023556 has 12 divisors (see below), whose sum is σ = 220244467968. Its totient is φ = 60305032712.

The previous prime is 123232023521. The next prime is 123232023557. The reversal of 123232023556 is 655320232321.

It is a happy number.

It is a super-2 number, since 2×123232023556² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123232023557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327744556 + ... + 327744931.

It is an arithmetic number, because the mean of its divisors is an integer number (18353705664).

Almost surely, 2^123232023556 is an apocalyptic number.

It is an amenable number.

123232023556 is a deficient number, since it is larger than the sum of its proper divisors (97012444412).

123232023556 is a wasteful number, since it uses less digits than its factorization.

123232023556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655489538 (or 655489536 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 123232023556 its reverse (655320232321), we get a palindrome (778552255877).

The spelling of 123232023556 in words is "one hundred twenty-three billion, two hundred thirty-two million, twenty-three thousand, five hundred fifty-six".