123231030302 has 16 divisors (see below), whose sum is σ = 191270542320. Its totient is φ = 59506383552.

The previous prime is 123231030277. The next prime is 123231030313. The reversal of 123231030302 is 203030132321.

It is a super-2 number, since 2×123231030302² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8042453 + ... + 8057760.

It is an arithmetic number, because the mean of its divisors is an integer number (11954408895).

Almost surely, 2^123231030302 is an apocalyptic number.

123231030302 is a deficient number, since it is larger than the sum of its proper divisors (68039512018).

123231030302 is a wasteful number, since it uses less digits than its factorization.

123231030302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16100347.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 123231030302 its reverse (203030132321), we get a palindrome (326261162623).

The spelling of 123231030302 in words is "one hundred twenty-three billion, two hundred thirty-one million, thirty thousand, three hundred two".