2123260454 has 48 divisors (see below), whose sum is σ = 3787639056. Its totient is φ = 889761600.

The previous prime is 2123260427. The next prime is 2123260457. The reversal of 2123260454 is 4540623212.

It is a super-2 number, since 2×2123260454² = 9016469911040572232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123260457) 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, 2186189 + ... + 2187159.

It is an arithmetic number, because the mean of its divisors is an integer number (78909147).

Almost surely, 2^2123260454 is an apocalyptic number.

2123260454 is a deficient number, since it is larger than the sum of its proper divisors (1664378602).

2123260454 is a wasteful number, since it uses less digits than its factorization.

2123260454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461 (or 1454 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 2123260454 is about 46078.8503979863. The cubic root of 2123260454 is about 1285.2898868059.

Adding to 2123260454 its reverse (4540623212), we get a palindrome (6663883666).

The spelling of 2123260454 in words is "two billion, one hundred twenty-three million, two hundred sixty thousand, four hundred fifty-four".