2251423135143 has 24 divisors (see below), whose sum is σ = 4002530019488. Its totient is φ = 1187563851072.

The previous prime is 2251423135079. The next prime is 2251423135147. The reversal of 2251423135143 is 3415313241522.

2251423135143 is a `hidden beast` number, since 2 + 2 + 514 + 2 + 3 + 135 + 1 + 4 + 3 = 666.

It is not a de Polignac number, because 2251423135143 - 2⁶ = 2251423135079 is a prime.

It is a super-2 number, since 2×2251423135143² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2251423135098 and 2251423135107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251423135147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1374494380 + ... + 1374496017.

Almost surely, 2^{2251423135143} is an apocalyptic number.

2251423135143 is a deficient number, since it is larger than the sum of its proper divisors (1751106884345).

2251423135143 is a wasteful number, since it uses less digits than its factorization.

2251423135143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2748990423 (or 2748990420 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

Adding to 2251423135143 its reverse (3415313241522), we get a palindrome (5666736376665).

The spelling of 2251423135143 in words is "two trillion, two hundred fifty-one billion, four hundred twenty-three million, one hundred thirty-five thousand, one hundred forty-three".