30723053 has 2 divisors, whose sum is σ = 30723054. Its totient is φ = 30723052.

The previous prime is 30723047. The next prime is 30723059. The reversal of 30723053 is 35032703.

It is a balanced prime because it is at equal distance from previous prime (30723047) and next prime (30723059).

It can be written as a sum of positive squares in only one way, i.e., 29560969 + 1162084 = 5437^2 + 1078^2 .

It is a cyclic number.

It is not a de Polignac number, because 30723053 - 2¹² = 30718957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30723059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15361526 + 15361527.

It is an arithmetic number, because the mean of its divisors is an integer number (15361527).

Almost surely, 2^30723053 is an apocalyptic number.

It is an amenable number.

30723053 is a deficient number, since it is larger than the sum of its proper divisors (1).

30723053 is an equidigital number, since it uses as much as digits as its factorization.

30723053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 23.

The square root of 30723053 is about 5542.8379914986. The cubic root of 30723053 is about 313.1997860287.

Adding to 30723053 its reverse (35032703), we get a palindrome (65755756).

The spelling of 30723053 in words is "thirty million, seven hundred twenty-three thousand, fifty-three".