10551381423 has 32 divisors (see below), whose sum is σ = 15559644672. Its totient is φ = 6306864000.

The previous prime is 10551381413. The next prime is 10551381523. The reversal of 10551381423 is 32418315501.

It is not a de Polignac number, because 10551381423 - 2³² = 6256414127 is a prime.

It is a super-2 number, since 2×10551381423² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10551381403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 870561 + ... + 882597.

It is an arithmetic number, because the mean of its divisors is an integer number (486238896).

Almost surely, 2^10551381423 is an apocalyptic number.

10551381423 is a deficient number, since it is larger than the sum of its proper divisors (5008263249).

10551381423 is a wasteful number, since it uses less digits than its factorization.

10551381423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12415.

The product of its (nonzero) digits is 14400, while the sum is 33.

Adding to 10551381423 its reverse (32418315501), we get a palindrome (42969696924).

The spelling of 10551381423 in words is "ten billion, five hundred fifty-one million, three hundred eighty-one thousand, four hundred twenty-three".