123233232031 has 48 divisors (see below), whose sum is σ = 158126611104. Its totient is φ = 95141523456.

The previous prime is 123233232029. The next prime is 123233232071. The reversal of 123233232031 is 130232332321.

It is not a de Polignac number, because 123233232031 - 2¹ = 123233232029 is a prime.

It is a super-2 number, since 2×123233232031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123233231987 and 123233232005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123233232071) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42536775 + ... + 42539671.

It is an arithmetic number, because the mean of its divisors is an integer number (3294304398).

Almost surely, 2^123233232031 is an apocalyptic number.

123233232031 is a deficient number, since it is larger than the sum of its proper divisors (34893379073).

123233232031 is a wasteful number, since it uses less digits than its factorization.

123233232031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4520 (or 4513 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 123233232031 its reverse (130232332321), we get a palindrome (253465564352).

The spelling of 123233232031 in words is "one hundred twenty-three billion, two hundred thirty-three million, two hundred thirty-two thousand, thirty-one".