30723153 has 8 divisors (see below), whose sum is σ = 41128416. Its totient is φ = 20400000.

The previous prime is 30723127. The next prime is 30723169. The reversal of 30723153 is 35132703.

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

It is not a de Polignac number, because 30723153 - 2¹⁰ = 30722129 is a prime.

It is a super-2 number, since 2×30723153² = 1887824260522818, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (30723103) 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, 19648 + ... + 21153.

It is an arithmetic number, because the mean of its divisors is an integer number (5141052).

Almost surely, 2^30723153 is an apocalyptic number.

It is an amenable number.

30723153 is a deficient number, since it is larger than the sum of its proper divisors (10405263).

30723153 is a wasteful number, since it uses less digits than its factorization.

30723153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41055.

The product of its (nonzero) digits is 1890, while the sum is 24.

The square root of 30723153 is about 5542.8470121410. The cubic root of 30723153 is about 313.2001258381.

Adding to 30723153 its reverse (35132703), we get a palindrome (65855856).

It can be divided in two parts, 30723 and 153, that added together give a triangular number (30876 = T₂₄₈).

The spelling of 30723153 in words is "thirty million, seven hundred twenty-three thousand, one hundred fifty-three".