40611023 has 4 divisors (see below), whose sum is σ = 41921088. Its totient is φ = 39300960.

The previous prime is 40611019. The next prime is 40611029. The reversal of 40611023 is 32011604.

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 40611023 - 2² = 40611019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40610992 and 40611010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40611029) 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, 654986 + ... + 655047.

It is an arithmetic number, because the mean of its divisors is an integer number (10480272).

Almost surely, 2^40611023 is an apocalyptic number.

40611023 is a deficient number, since it is larger than the sum of its proper divisors (1310065).

40611023 is a wasteful number, since it uses less digits than its factorization.

40611023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310064.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 40611023 is about 6372.6778515786. The cubic root of 40611023 is about 343.7277879642.

Adding to 40611023 its reverse (32011604), we get a palindrome (72622627).

It can be divided in two parts, 4061 and 1023, that multiplied together give a triangular number (4154403 = T₂₈₈₂).

The spelling of 40611023 in words is "forty million, six hundred eleven thousand, twenty-three".