234923639690 has 16 divisors (see below), whose sum is σ = 422971354440. Its totient is φ = 93945277440.

The previous prime is 234923639681. The next prime is 234923639707. The reversal of 234923639690 is 96936329432.

It can be written as a sum of positive squares in 4 ways, for example, as 219575650921 + 15347988769 = 468589^2 + 123887^2 .

It is a super-2 number, since 2×234923639690² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2981471 + ... + 3059250.

Almost surely, 2^234923639690 is an apocalyptic number.

234923639690 is a deficient number, since it is larger than the sum of its proper divisors (188047714750).

234923639690 is a wasteful number, since it uses less digits than its factorization.

234923639690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6044617.

The product of its (nonzero) digits is 11337408, while the sum is 56.

The spelling of 234923639690 in words is "two hundred thirty-four billion, nine hundred twenty-three million, six hundred thirty-nine thousand, six hundred ninety".