30142023 has 8 divisors (see below), whose sum is σ = 40579968. Its totient is φ = 19899384.

The previous prime is 30142009. The next prime is 30142039. The reversal of 30142023 is 32024103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30142023 - 2⁸ = 30141767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30141993 and 30142011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30142043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48465 + ... + 49082.

It is an arithmetic number, because the mean of its divisors is an integer number (5072496).

Almost surely, 2^30142023 is an apocalyptic number.

30142023 is a deficient number, since it is larger than the sum of its proper divisors (10437945).

30142023 is a wasteful number, since it uses less digits than its factorization.

30142023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97653.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 30142023 is about 5490.1751338186. The cubic root of 30142023 is about 311.2128105112.

Adding to 30142023 its reverse (32024103), we get a palindrome (62166126).

It can be divided in two parts, 301 and 42023, that added together give a palindrome (42324).

The spelling of 30142023 in words is "thirty million, one hundred forty-two thousand, twenty-three".