2102553423 has 16 divisors (see below), whose sum is σ = 3118009440. Its totient is φ = 1400300352.

The previous prime is 2102553419. The next prime is 2102553443. The reversal of 2102553423 is 3243552012.

It is a happy number.

2102553423 is a `hidden beast` number, since 2 + 102 + 5 + 534 + 23 = 666.

It is not a de Polignac number, because 2102553423 - 2² = 2102553419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102553443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11086 + ... + 65787.

It is an arithmetic number, because the mean of its divisors is an integer number (194875590).

Almost surely, 2^2102553423 is an apocalyptic number.

2102553423 is a deficient number, since it is larger than the sum of its proper divisors (1015456017).

2102553423 is a wasteful number, since it uses less digits than its factorization.

2102553423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77895 (or 77889 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 2102553423 is about 45853.6086148081. The cubic root of 2102553423 is about 1281.0979802091.

The spelling of 2102553423 in words is "two billion, one hundred two million, five hundred fifty-three thousand, four hundred twenty-three".