2123465236 has 6 divisors (see below), whose sum is σ = 3716064170. Its totient is φ = 1061732616.

The previous prime is 2123465209. The next prime is 2123465243. The reversal of 2123465236 is 6325643212.

It can be written as a sum of positive squares in only one way, i.e., 2076624900 + 46840336 = 45570^2 + 6844^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265433151 + ... + 265433158.

Almost surely, 2^2123465236 is an apocalyptic number.

It is an amenable number.

2123465236 is a deficient number, since it is larger than the sum of its proper divisors (1592598934).

2123465236 is a wasteful number, since it uses less digits than its factorization.

2123465236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530866313 (or 530866311 counting only the distinct ones).

The product of its digits is 51840, while the sum is 34.

The square root of 2123465236 is about 46081.0724267567. The cubic root of 2123465236 is about 1285.3312062417.

The spelling of 2123465236 in words is "two billion, one hundred twenty-three million, four hundred sixty-five thousand, two hundred thirty-six".