1040423534 has 4 divisors (see below), whose sum is σ = 1560635304. Its totient is φ = 520211766.

The previous prime is 1040423533. The next prime is 1040423539. The reversal of 1040423534 is 4353240401.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1040423534² = 2164962260202098312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040423533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260105882 + ... + 260105885.

It is an arithmetic number, because the mean of its divisors is an integer number (390158826).

Almost surely, 2^1040423534 is an apocalyptic number.

1040423534 is a deficient number, since it is larger than the sum of its proper divisors (520211770).

1040423534 is an equidigital number, since it uses as much as digits as its factorization.

1040423534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520211769.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 1040423534 is about 32255.5969406861. The cubic root of 1040423534 is about 1013.2969195950.

Adding to 1040423534 its reverse (4353240401), we get a palindrome (5393663935).

The spelling of 1040423534 in words is "one billion, forty million, four hundred twenty-three thousand, five hundred thirty-four".