2612040123 has 64 divisors (see below), whose sum is σ = 4722029568. Its totient is φ = 1242501120.

The previous prime is 2612040113. The next prime is 2612040127. The reversal of 2612040123 is 3210402162.

It is not a de Polignac number, because 2612040123 - 2⁶ = 2612040059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 2612040123.

It is not an unprimeable number, because it can be changed into a prime (2612040127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 136311 + ... + 154287.

It is an arithmetic number, because the mean of its divisors is an integer number (73781712).

Almost surely, 2^2612040123 is an apocalyptic number.

2612040123 is a deficient number, since it is larger than the sum of its proper divisors (2109989445).

2612040123 is a wasteful number, since it uses less digits than its factorization.

2612040123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18052.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2612040123 is about 51108.1218887957. The cubic root of 2612040123 is about 1377.1881629597.

Adding to 2612040123 its reverse (3210402162), we get a palindrome (5822442285).

The spelling of 2612040123 in words is "two billion, six hundred twelve million, forty thousand, one hundred twenty-three".