201262550523 has 16 divisors (see below), whose sum is σ = 284344454400. Its totient is φ = 126271375200.

The previous prime is 201262550519. The next prime is 201262550543. The reversal of 201262550523 is 325055262102.

It is not a de Polignac number, because 201262550523 - 2² = 201262550519 is a prime.

It is a super-2 number, since 2×201262550523² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201262550543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11683188 + ... + 11700401.

It is an arithmetic number, because the mean of its divisors is an integer number (17771528400).

Almost surely, 2^201262550523 is an apocalyptic number.

201262550523 is a deficient number, since it is larger than the sum of its proper divisors (83081903877).

201262550523 is a wasteful number, since it uses less digits than its factorization.

201262550523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23383762.

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 201262550523 in words is "two hundred one billion, two hundred sixty-two million, five hundred fifty thousand, five hundred twenty-three".