133042623 has 16 divisors (see below), whose sum is σ = 204629760. Its totient is φ = 75312576.

The previous prime is 133042621. The next prime is 133042631. The reversal of 133042623 is 326240331.

It is not a de Polignac number, because 133042623 - 2¹ = 133042621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133042593 and 133042602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133042621) 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, 27358 + ... + 31851.

It is an arithmetic number, because the mean of its divisors is an integer number (12789360).

Almost surely, 2^133042623 is an apocalyptic number.

133042623 is a deficient number, since it is larger than the sum of its proper divisors (71587137).

133042623 is a wasteful number, since it uses less digits than its factorization.

133042623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59326.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 133042623 is about 11534.4103880519. The cubic root of 133042623 is about 510.5013946395.

Adding to 133042623 its reverse (326240331), we get a palindrome (459282954).

The spelling of 133042623 in words is "one hundred thirty-three million, forty-two thousand, six hundred twenty-three".