233125706421 has 14 divisors (see below), whose sum is σ = 349528666550. Its totient is φ = 155417137128.

The previous prime is 233125706413. The next prime is 233125706423. The reversal of 233125706421 is 124607521332.

233125706421 is a `hidden beast` number, since 2 + 3 + 3 + 1 + 2 + 5 + 7 + 0 + 642 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 207594140625 + 25531565796 = 455625^2 + 159786^2 .

It is not a de Polignac number, because 233125706421 - 2³ = 233125706413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233125706423) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 159893446 + ... + 159894903.

It is an arithmetic number, because the mean of its divisors is an integer number (24966333325).

Almost surely, 2^233125706421 is an apocalyptic number.

It is an amenable number.

233125706421 is a deficient number, since it is larger than the sum of its proper divisors (116402960129).

233125706421 is an frugal number, since it uses more digits than its factorization.

233125706421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319788367 (or 319788352 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 233125706421 in words is "two hundred thirty-three billion, one hundred twenty-five million, seven hundred six thousand, four hundred twenty-one".