158204623 has 2 divisors, whose sum is σ = 158204624. Its totient is φ = 158204622.

The previous prime is 158204617. The next prime is 158204647. The reversal of 158204623 is 326402851.

158204623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 158204623 - 2¹³ = 158196431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158204693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79102311 + 79102312.

It is an arithmetic number, because the mean of its divisors is an integer number (79102312).

Almost surely, 2^158204623 is an apocalyptic number.

158204623 is a deficient number, since it is larger than the sum of its proper divisors (1).

158204623 is an equidigital number, since it uses as much as digits as its factorization.

158204623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 158204623 is about 12577.9419222701. The cubic root of 158204623 is about 540.8452959136.

The spelling of 158204623 in words is "one hundred fifty-eight million, two hundred four thousand, six hundred twenty-three".