101723157255 has 16 divisors (see below), whose sum is σ = 162802587744. Its totient is φ = 54237171840.

The previous prime is 101723157253. The next prime is 101723157311. The reversal of 101723157255 is 552751327101.

It is a happy number.

It is not a de Polignac number, because 101723157255 - 2¹ = 101723157253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101723157253) 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, 893164 + ... + 1000593.

It is an arithmetic number, because the mean of its divisors is an integer number (10175161734).

Almost surely, 2^101723157255 is an apocalyptic number.

101723157255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

101723157255 is a deficient number, since it is larger than the sum of its proper divisors (61079430489).

101723157255 is a wasteful number, since it uses less digits than its factorization.

101723157255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897346.

The product of its (nonzero) digits is 73500, while the sum is 39.

The spelling of 101723157255 in words is "one hundred one billion, seven hundred twenty-three million, one hundred fifty-seven thousand, two hundred fifty-five".