30523023136 has 12 divisors (see below), whose sum is σ = 60092201862. Its totient is φ = 15261511552.

The previous prime is 30523023071. The next prime is 30523023173. The reversal of 30523023136 is 63132032503.

It can be written as a sum of positive squares in only one way, i.e., 24572443536 + 5950579600 = 156756^2 + 77140^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 476922205 + ... + 476922268.

Almost surely, 2^30523023136 is an apocalyptic number.

It is an amenable number.

30523023136 is a deficient number, since it is larger than the sum of its proper divisors (29569178726).

30523023136 is an equidigital number, since it uses as much as digits as its factorization.

30523023136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953844483 (or 953844475 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 28.

Adding to 30523023136 its reverse (63132032503), we get a palindrome (93655055639).

The spelling of 30523023136 in words is "thirty billion, five hundred twenty-three million, twenty-three thousand, one hundred thirty-six".