30923995403 has 16 divisors (see below), whose sum is σ = 36830284800. Its totient is φ = 25942304808.

The previous prime is 30923995379. The next prime is 30923995411. The reversal of 30923995403 is 30459932903.

It is not a de Polignac number, because 30923995403 - 2⁸ = 30923995147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30923995463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 943001 + ... + 975242.

It is an arithmetic number, because the mean of its divisors is an integer number (2301892800).

Almost surely, 2^30923995403 is an apocalyptic number.

30923995403 is a deficient number, since it is larger than the sum of its proper divisors (5906289397).

30923995403 is an equidigital number, since it uses as much as digits as its factorization.

30923995403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918311 (or 1918297 counting only the distinct ones).

The product of its (nonzero) digits is 787320, while the sum is 47.

The spelling of 30923995403 in words is "thirty billion, nine hundred twenty-three million, nine hundred ninety-five thousand, four hundred three".