30523722153 has 4 divisors (see below), whose sum is σ = 40698296208. Its totient is φ = 20349148100.

The previous prime is 30523722149. The next prime is 30523722223. The reversal of 30523722153 is 35122732503.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30523722153 - 2² = 30523722149 is a prime.

It is a super-2 number, since 2×30523722153² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30523722133) 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, 5087287023 + ... + 5087287028.

It is an arithmetic number, because the mean of its divisors is an integer number (10174574052).

Almost surely, 2^30523722153 is an apocalyptic number.

It is an amenable number.

30523722153 is a deficient number, since it is larger than the sum of its proper divisors (10174574055).

30523722153 is a wasteful number, since it uses less digits than its factorization.

30523722153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10174574054.

The product of its (nonzero) digits is 37800, while the sum is 33.

The spelling of 30523722153 in words is "thirty billion, five hundred twenty-three million, seven hundred twenty-two thousand, one hundred fifty-three".