235412623557 has 48 divisors (see below), whose sum is σ = 360831369600. Its totient is φ = 147579569280.

The previous prime is 235412623519. The next prime is 235412623571. The reversal of 235412623557 is 755326214532.

235412623557 is a `hidden beast` number, since 2 + 3 + 5 + 4 + 12 + 623 + 5 + 5 + 7 = 666.

It is not a de Polignac number, because 235412623557 - 2⁶ = 235412623493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235412623157) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32561419 + ... + 32568647.

It is an arithmetic number, because the mean of its divisors is an integer number (7517320200).

Almost surely, 2^235412623557 is an apocalyptic number.

It is an amenable number.

235412623557 is a deficient number, since it is larger than the sum of its proper divisors (125418746043).

235412623557 is a wasteful number, since it uses less digits than its factorization.

235412623557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9898 (or 9895 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 45.

The spelling of 235412623557 in words is "two hundred thirty-five billion, four hundred twelve million, six hundred twenty-three thousand, five hundred fifty-seven".