11540623 has 4 divisors (see below), whose sum is σ = 11577808. Its totient is φ = 11503440.

The previous prime is 11540611. The next prime is 11540653. The reversal of 11540623 is 32604511.

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 11540623 - 2¹³ = 11532431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11540594 and 11540603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11540653) 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, 18123 + ... + 18748.

It is an arithmetic number, because the mean of its divisors is an integer number (2894452).

Almost surely, 2^11540623 is an apocalyptic number.

11540623 is a deficient number, since it is larger than the sum of its proper divisors (37185).

11540623 is an equidigital number, since it uses as much as digits as its factorization.

11540623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37184.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 11540623 is about 3397.1492460591. The cubic root of 11540623 is about 225.9833373258.

The spelling of 11540623 in words is "eleven million, five hundred forty thousand, six hundred twenty-three".