57235623409 has 8 divisors (see below), whose sum is σ = 60604783200. Its totient is φ = 53866725696.

The previous prime is 57235623373. The next prime is 57235623413. The reversal of 57235623409 is 90432653275.

57235623409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57235623409 - 2⁷ = 57235623281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57235693409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 548722 + ... + 644644.

It is an arithmetic number, because the mean of its divisors is an integer number (7575597900).

Almost surely, 2^57235623409 is an apocalyptic number.

It is an amenable number.

57235623409 is a deficient number, since it is larger than the sum of its proper divisors (3369159791).

57235623409 is a wasteful number, since it uses less digits than its factorization.

57235623409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131039.

The product of its (nonzero) digits is 1360800, while the sum is 46.

The spelling of 57235623409 in words is "fifty-seven billion, two hundred thirty-five million, six hundred twenty-three thousand, four hundred nine".