30623400351 has 20 divisors (see below), whose sum is σ = 45776132424. Its totient is φ = 20402182800.

The previous prime is 30623400319. The next prime is 30623400433. The reversal of 30623400351 is 15300432603.

It is a happy number.

30623400351 is a `hidden beast` number, since 3 + 0 + 623 + 4 + 0 + 0 + 35 + 1 = 666.

It is not a de Polignac number, because 30623400351 - 2⁵ = 30623400319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30623400751) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 541 + ... + 247481.

Almost surely, 2^30623400351 is an apocalyptic number.

30623400351 is a deficient number, since it is larger than the sum of its proper divisors (15152732073).

30623400351 is a wasteful number, since it uses less digits than its factorization.

30623400351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248484 (or 248475 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 30623400351 its reverse (15300432603), we get a palindrome (45923832954).

The spelling of 30623400351 in words is "thirty billion, six hundred twenty-three million, four hundred thousand, three hundred fifty-one".