150642623 has 2 divisors, whose sum is σ = 150642624. Its totient is φ = 150642622.

The previous prime is 150642607. The next prime is 150642637. The reversal of 150642623 is 326246051.

It is a strong prime.

It is an emirp because it is prime and its reverse (326246051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 150642623 - 2⁴ = 150642607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150642523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75321311 + 75321312.

It is an arithmetic number, because the mean of its divisors is an integer number (75321312).

Almost surely, 2^150642623 is an apocalyptic number.

150642623 is a deficient number, since it is larger than the sum of its proper divisors (1).

150642623 is an equidigital number, since it uses as much as digits as its factorization.

150642623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 150642623 is about 12273.6556493980. The cubic root of 150642623 is about 532.0869689824.

Adding to 150642623 its reverse (326246051), we get a palindrome (476888674).

The spelling of 150642623 in words is "one hundred fifty million, six hundred forty-two thousand, six hundred twenty-three".