1240314623 has 4 divisors (see below), whose sum is σ = 1305594360. Its totient is φ = 1175034888.

The previous prime is 1240314617. The next prime is 1240314637. The reversal of 1240314623 is 3264130421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3264130421 = 859 ⋅3799919.

It is a cyclic number.

It is not a de Polignac number, because 1240314623 - 2⁸ = 1240314367 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1240314592 and 1240314601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240314323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32639840 + ... + 32639877.

It is an arithmetic number, because the mean of its divisors is an integer number (326398590).

Almost surely, 2^1240314623 is an apocalyptic number.

1240314623 is a deficient number, since it is larger than the sum of its proper divisors (65279737).

1240314623 is an equidigital number, since it uses as much as digits as its factorization.

1240314623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65279736.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 1240314623 is about 35218.1007863854. The cubic root of 1240314623 is about 1074.4279265182.

The spelling of 1240314623 in words is "one billion, two hundred forty million, three hundred fourteen thousand, six hundred twenty-three".