2123253454 has 32 divisors (see below), whose sum is σ = 3902791680. Its totient is φ = 845589888.

The previous prime is 2123253397. The next prime is 2123253463. The reversal of 2123253454 is 4543523212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37662 + ... + 75265.

It is an arithmetic number, because the mean of its divisors is an integer number (121962240).

Almost surely, 2^2123253454 is an apocalyptic number.

2123253454 is a deficient number, since it is larger than the sum of its proper divisors (1779538226).

2123253454 is a wasteful number, since it uses less digits than its factorization.

2123253454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113032.

The product of its digits is 28800, while the sum is 31.

The square root of 2123253454 is about 46078.7744411676. The cubic root of 2123253454 is about 1285.2884743494.

Adding to 2123253454 its reverse (4543523212), we get a palindrome (6666776666).

The spelling of 2123253454 in words is "two billion, one hundred twenty-three million, two hundred fifty-three thousand, four hundred fifty-four".