142910623 has 2 divisors, whose sum is σ = 142910624. Its totient is φ = 142910622.

The previous prime is 142910587. The next prime is 142910627. The reversal of 142910623 is 326019241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142910623 - 2⁹ = 142910111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142910591 and 142910600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142910627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71455311 + 71455312.

It is an arithmetic number, because the mean of its divisors is an integer number (71455312).

Almost surely, 2^142910623 is an apocalyptic number.

142910623 is a deficient number, since it is larger than the sum of its proper divisors (1).

142910623 is an equidigital number, since it uses as much as digits as its factorization.

142910623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 142910623 is about 11954.5231188868. The cubic root of 142910623 is about 522.8231838335.

Adding to 142910623 its reverse (326019241), we get a palindrome (468929864).

The spelling of 142910623 in words is "one hundred forty-two million, nine hundred ten thousand, six hundred twenty-three".