623430354050 has 36 divisors (see below), whose sum is σ = 1348899722370. Its totient is φ = 213747549120.

The previous prime is 623430353969. The next prime is 623430354109. The reversal of 623430354050 is 50453034326.

It can be written as a sum of positive squares in 3 ways, for example, as 530381562529 + 93048791521 = 728273^2 + 305039^2 .

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 623430354050.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 127228235 + ... + 127233134.

Almost surely, 2^623430354050 is an apocalyptic number.

623430354050 is an abundant number, since it is smaller than the sum of its proper divisors (725469368320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

623430354050 is a wasteful number, since it uses less digits than its factorization.

623430354050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254461395 (or 254461383 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 35.

Adding to 623430354050 its reverse (50453034326), we get a palindrome (673883388376).

The spelling of 623430354050 in words is "six hundred twenty-three billion, four hundred thirty million, three hundred fifty-four thousand, fifty".