30801915420923 has 2 divisors, whose sum is σ = 30801915420924. Its totient is φ = 30801915420922.

The previous prime is 30801915420901. The next prime is 30801915420929. The reversal of 30801915420923 is 32902451910803.

It is a strong prime.

It is an emirp because it is prime and its reverse (32902451910803) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30801915420923 - 2¹² = 30801915416827 is a prime.

It is a super-2 number, since 2×30801915420923² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30801915420929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15400957710461 + 15400957710462.

It is an arithmetic number, because the mean of its divisors is an integer number (15400957710462).

Almost surely, 2^{30801915420923} is an apocalyptic number.

30801915420923 is a deficient number, since it is larger than the sum of its proper divisors (1).

30801915420923 is an equidigital number, since it uses as much as digits as its factorization.

30801915420923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 30801915420923 in words is "thirty trillion, eight hundred one billion, nine hundred fifteen million, four hundred twenty thousand, nine hundred twenty-three".