623134420131 has 16 divisors (see below), whose sum is σ = 862769486880. Its totient is φ = 399738746880.

The previous prime is 623134420121. The next prime is 623134420133. The reversal of 623134420131 is 131024431326.

It is not a de Polignac number, because 623134420131 - 2²⁹ = 622597549219 is a prime.

It is a super-2 number, since 2×623134420131² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (623134420133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34690566 + ... + 34708523.

It is an arithmetic number, because the mean of its divisors is an integer number (53923092930).

Almost surely, 2^623134420131 is an apocalyptic number.

623134420131 is a deficient number, since it is larger than the sum of its proper divisors (239635066749).

623134420131 is a wasteful number, since it uses less digits than its factorization.

623134420131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69399206.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 623134420131 its reverse (131024431326), we get a palindrome (754158851457).

The spelling of 623134420131 in words is "six hundred twenty-three billion, one hundred thirty-four million, four hundred twenty thousand, one hundred thirty-one".