213736723263 has 12 divisors (see below), whose sum is σ = 352835225808. Its totient is φ = 122135270400.

The previous prime is 213736723243. The next prime is 213736723307. The reversal of 213736723263 is 362327637312.

It is a happy number.

213736723263 is a `hidden beast` number, since 2 + 1 + 3 + 7 + 367 + 23 + 263 = 666.

It is not a de Polignac number, because 213736723263 - 2¹² = 213736719167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213736723223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1696323138 + ... + 1696323263.

It is an arithmetic number, because the mean of its divisors is an integer number (29402935484).

Almost surely, 2^213736723263 is an apocalyptic number.

213736723263 is a deficient number, since it is larger than the sum of its proper divisors (139098502545).

213736723263 is a wasteful number, since it uses less digits than its factorization.

213736723263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3392646414 (or 3392646411 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 45.

The spelling of 213736723263 in words is "two hundred thirteen billion, seven hundred thirty-six million, seven hundred twenty-three thousand, two hundred sixty-three".