205344623234 has 32 divisors (see below), whose sum is σ = 319976659200. Its totient is φ = 98753722560.

The previous prime is 205344623221. The next prime is 205344623243. The reversal of 205344623234 is 432326443502.

It is a super-2 number, since 2×205344623234² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3511979 + ... + 3569969.

It is an arithmetic number, because the mean of its divisors is an integer number (9999270600).

Almost surely, 2^205344623234 is an apocalyptic number.

205344623234 is a deficient number, since it is larger than the sum of its proper divisors (114632035966).

205344623234 is a wasteful number, since it uses less digits than its factorization.

205344623234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58578.

The product of its (nonzero) digits is 414720, while the sum is 38.

The spelling of 205344623234 in words is "two hundred five billion, three hundred forty-four million, six hundred twenty-three thousand, two hundred thirty-four".