101026551623 has 2 divisors, whose sum is σ = 101026551624. Its totient is φ = 101026551622.

The previous prime is 101026551599. The next prime is 101026551629. The reversal of 101026551623 is 326155620101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101026551623 - 2¹⁶ = 101026486087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101026551623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101026551629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50513275811 + 50513275812.

It is an arithmetic number, because the mean of its divisors is an integer number (50513275812).

Almost surely, 2^101026551623 is an apocalyptic number.

101026551623 is a deficient number, since it is larger than the sum of its proper divisors (1).

101026551623 is an equidigital number, since it uses as much as digits as its factorization.

101026551623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 101026551623 in words is "one hundred one billion, twenty-six million, five hundred fifty-one thousand, six hundred twenty-three".