1042620423 has 16 divisors (see below), whose sum is σ = 1497807360. Its totient is φ = 641307744.

The previous prime is 1042620413. The next prime is 1042620457. The reversal of 1042620423 is 3240262401.

It is not a de Polignac number, because 1042620423 - 2⁴ = 1042620407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1042620393 and 1042620402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042620413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98838 + ... + 108876.

It is an arithmetic number, because the mean of its divisors is an integer number (93612960).

Almost surely, 2^1042620423 is an apocalyptic number.

1042620423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1042620423 is a deficient number, since it is larger than the sum of its proper divisors (455186937).

1042620423 is a wasteful number, since it uses less digits than its factorization.

1042620423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12718.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1042620423 is about 32289.6333673828. The cubic root of 1042620423 is about 1014.0096216151.

Adding to 1042620423 its reverse (3240262401), we get a palindrome (4282882824).

The spelling of 1042620423 in words is "one billion, forty-two million, six hundred twenty thousand, four hundred twenty-three".