151667623 has 2 divisors, whose sum is σ = 151667624. Its totient is φ = 151667622.

The previous prime is 151667513. The next prime is 151667627. The reversal of 151667623 is 326766151.

It is a strong prime.

It is an emirp because it is prime and its reverse (326766151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 151667623 - 2¹⁷ = 151536551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151667627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75833811 + 75833812.

It is an arithmetic number, because the mean of its divisors is an integer number (75833812).

Almost surely, 2^151667623 is an apocalyptic number.

151667623 is a deficient number, since it is larger than the sum of its proper divisors (1).

151667623 is an equidigital number, since it uses as much as digits as its factorization.

151667623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 37.

The square root of 151667623 is about 12315.3409615812. The cubic root of 151667623 is about 533.2910479062.

The spelling of 151667623 in words is "one hundred fifty-one million, six hundred sixty-seven thousand, six hundred twenty-three".