15550100023 has 8 divisors (see below), whose sum is σ = 16370192000. Its totient is φ = 14730174648.

The previous prime is 15550100017. The next prime is 15550100057. The reversal of 15550100023 is 32000105551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15550100023 - 2²⁹ = 15013229111 is a prime.

It is a super-2 number, since 2×15550100023² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15550099967 and 15550100003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15550100323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180328 + ... + 252226.

It is an arithmetic number, because the mean of its divisors is an integer number (2046274000).

Almost surely, 2^15550100023 is an apocalyptic number.

15550100023 is a deficient number, since it is larger than the sum of its proper divisors (820091977).

15550100023 is a wasteful number, since it uses less digits than its factorization.

15550100023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83301.

The product of its (nonzero) digits is 750, while the sum is 22.

Adding to 15550100023 its reverse (32000105551), we get a palindrome (47550205574).

The spelling of 15550100023 in words is "fifteen billion, five hundred fifty million, one hundred thousand, twenty-three".