40763623 has 4 divisors (see below), whose sum is σ = 40845168. Its totient is φ = 40682080.

The previous prime is 40763621. The next prime is 40763629. The reversal of 40763623 is 32636704.

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

It is a cyclic number.

It is not a de Polignac number, because 40763623 - 2¹ = 40763621 is a prime.

It is a super-2 number, since 2×40763623² = 3323345920172258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40763621) 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, 40018 + ... + 41023.

It is an arithmetic number, because the mean of its divisors is an integer number (10211292).

Almost surely, 2^40763623 is an apocalyptic number.

40763623 is a deficient number, since it is larger than the sum of its proper divisors (81545).

40763623 is an equidigital number, since it uses as much as digits as its factorization.

40763623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81544.

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 40763623 is about 6384.6396139485. The cubic root of 40763623 is about 344.1577804015.

The spelling of 40763623 in words is "forty million, seven hundred sixty-three thousand, six hundred twenty-three".