623900160001 has 4 divisors (see below), whose sum is σ = 624216381012. Its totient is φ = 623583938992.

The previous prime is 623900159957. The next prime is 623900160031. The reversal of 623900160001 is 100061009326.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100061009326 = 2 ⋅50030504663.

It can be written as a sum of positive squares in 2 ways, for example, as 119594238976 + 504305921025 = 345824^2 + 710145^2 .

It is a cyclic number.

It is not a de Polignac number, because 623900160001 - 2¹⁵ = 623900127233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (623900160031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158107546 + ... + 158111491.

It is an arithmetic number, because the mean of its divisors is an integer number (156054095253).

Almost surely, 2^623900160001 is an apocalyptic number.

It is an amenable number.

623900160001 is a deficient number, since it is larger than the sum of its proper divisors (316221011).

623900160001 is a wasteful number, since it uses less digits than its factorization.

623900160001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316221010.

The product of its (nonzero) digits is 1944, while the sum is 28.

Adding to 623900160001 its reverse (100061009326), we get a palindrome (723961169327).

The spelling of 623900160001 in words is "six hundred twenty-three billion, nine hundred million, one hundred sixty thousand, one".